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49-State MK136 Engine Calibration

Calibration

2017-2020 M8 Touring Models

Calibration is locked. Customers cannot view or change any of the tuning parameters

Customers can use Dynojet PV-3 or PV-4 devices to flash our provided DJT calibration file

https://www.dynojet.com/power-vision-3-2011-2019-harley-davison-pv3-15-02/
https://www.dynojet.com/power-vision-4-for-2011-2020-harley-davidson/
Customer should follow PV-3 or PV-4 instructions to flash S&S Tune file

DJT calibration file is software level 942. This is the latest version H-D has released for 2017-2020 touring models. The stock calibration will be overwritten when new calibration for the MK136 is downloaded / install. This file covers both twin cooled and oil cooled engines.

2021-up models require a different calibration. Further development is underway for calibration support on 2021-up bikes.

570-0070 Tune Software - 2017-2020 Touring Models (475 cam)

Download 475 Tune

MK136 (475) PDF Manual

Download 475 PDF Manual

Year Group and Supported Combination

2017-2020 H-D M8 Touring Model

PN 310-1290 MK136 Engine with 475 camshaft, Stock Throttle Body, 5.5g injectors
Exhaust - Stock H-D catalyst header with S&S GNX 4.5” mufflers

DB inserts installed

Air Cleaner - S&S Stealth with stock or +1 air filter
Run this specified combination to be emissions compliant

Deviation from specified setup may result in improper engine performance and in which case S&S is not liable for technical support or troubleshooting.

MK136

MK136-dyno-sm